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2ccf247e93
* rename all debugging related command-line options and variables to start from "debug-", and made them all OFF by default. * replace "MySQL" with "MariaDB" in error messages * "Cast ... converted ... integer to it's ... complement" is now a note, not a warning * @@query_cache_strip_comments now has a session scope, not global.
46 lines
1.7 KiB
Plaintext
46 lines
1.7 KiB
Plaintext
SET @start_global_value = @@global.deadlock_timeout_long;
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select @@global.deadlock_timeout_long;
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@@global.deadlock_timeout_long
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50000000
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select @@session.deadlock_timeout_long;
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@@session.deadlock_timeout_long
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50000000
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show global variables like 'deadlock_timeout_long';
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Variable_name Value
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deadlock_timeout_long 50000000
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show session variables like 'deadlock_timeout_long';
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Variable_name Value
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deadlock_timeout_long 50000000
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select * from information_schema.global_variables where variable_name='deadlock_timeout_long';
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VARIABLE_NAME VARIABLE_VALUE
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DEADLOCK_TIMEOUT_LONG 50000000
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select * from information_schema.session_variables where variable_name='deadlock_timeout_long';
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VARIABLE_NAME VARIABLE_VALUE
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DEADLOCK_TIMEOUT_LONG 50000000
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set global deadlock_timeout_long=10;
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select @@global.deadlock_timeout_long;
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@@global.deadlock_timeout_long
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10
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set session deadlock_timeout_long=10;
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select @@session.deadlock_timeout_long;
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@@session.deadlock_timeout_long
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10
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set global deadlock_timeout_long=1.1;
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ERROR 42000: Incorrect argument type to variable 'deadlock_timeout_long'
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set session deadlock_timeout_long=1e1;
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ERROR 42000: Incorrect argument type to variable 'deadlock_timeout_long'
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set global deadlock_timeout_long="foo";
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ERROR 42000: Incorrect argument type to variable 'deadlock_timeout_long'
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set global deadlock_timeout_long=0;
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select @@global.deadlock_timeout_long;
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@@global.deadlock_timeout_long
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0
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set session deadlock_timeout_long=cast(-1 as unsigned int);
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Warnings:
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Note 1105 Cast to unsigned converted negative integer to it's positive complement
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Warning 1292 Truncated incorrect deadlock_timeout_long value: '18446744073709551615'
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select @@session.deadlock_timeout_long;
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@@session.deadlock_timeout_long
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4294967295
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SET @@global.deadlock_timeout_long = @start_global_value;
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